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Aktuelle Fachpublikationen

Quantifying the forces guiding microbial cell adhesion using single-cell force spectroscopy

Nature Protocols 9, 1049 (2014). doi:10.1038/nprot.2014.066 Authors: Audrey Beaussart, Sofiane El-Kirat-Chatel, Ruby May A Sullan, David Alsteens, Philippe Herman, Sylvie Derclaye & Yves F Dufrêne During the past decades, several methods (e.g., electron microscopy, flow c ... mehr

A Breath of New Life into Human Social Cognition

Sniffing has historically been considered an olfactory behavior because inhalation is a necessary step in odor perception. Growing evidence, however, has demonstrated that the display of sniffing surpasses the bounds of those contexts that are olfactory in nature. In this issue of Chemical ... mehr

Associations Between BMI and Fat Taste Sensitivity in Humans

The objective of this study was to examine the reliability of associations between fat taste, hunger, dietary fat intake, and body mass index (BMI). Detection thresholds for oleic acid (OA) were obtained during each of 7 consecutive visits using a modified staircase procedure. Participants ... mehr

Differential Effects of Bitter Compounds on the Taste Transduction Channels TRPM5 and IP3 Receptor Type 3

Transient receptor potential cation channel subfamily M member 5 (TRPM5) is a Ca2+-activated nonselective cation channel involved in the transduction of sweet, bitter, and umami tastes. We previously showed that TRPM5 is a locus for the modulation of taste perception by temperature changes, ... mehr

Comparative Neuroanatomy of the Antennal Lobes of 2 Homopteran Species

We compared the morphology of the primary olfactory center, the antennal lobe (AL), in 2 homopteran insects, Hyalesthes obsoletus Signoret (Homoptera: Cixiidae) and Scaphoideus titanus Ball (Homoptera: Cicadomorpha). The comparison between the ALs of the 2 species is particularly interestin ... mehr

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Imaging adherent cell in microfluidic channel hidden by flowing RBCs as occluding objects by holographic method

Imaging through turbid media is a challenging topic. A liquid is considered turbid when dispersed particles provoke strong light scattering, thus destroying the image formation by any standard optical system. Generally, colloidal solutions belongs to the class of turbid media since disperse ... mehr

Precise measurement of chromium isotopes by MC-ICPMS

We report novel analytical procedures allowing for the concurrent determination of the stable and mass independent Cr isotopic composition of silicate material by multiple collector inductively coupled mass spectrometry (MC-ICPMS). In particular, we focus on improved precision of the measur ... mehr

Slicing – A New Method for Non Destructive 3D Elemental Sensitive Characterization of Materials

Recent advantages in synchrotron sources and detector technology have led to substantial improvements in spatial resolution and detection limits for X-ray fluorescence analysis (XRF). However, the non-destructive three-dimensional elemental sensitive characterization of samples remains a ch ... mehr

A Coumarin-based Fluorescent Probe for Differential Identification of Sulfide and Sulfite in CTAB Micelle Solution

Sulfite and sulfide share several similarities in terms of chemical properties, such as the nucleophilic and reducing reactivities. Therefore, they may disturb the detection of each other. In order to discriminate these two kinds of sulfur-containing species, a new probe TSSP-N3 was develop ... mehr

One-pot hydrothermal synthesis of orange fluorescent silver nanoclusters as a general probe for sulfides

Water-soluble fluorescent silver nanoclusters (AgNCs) with almost seven and nine silver atoms and quantum yield (QY) of 5.38 % ± 0.25 % were successfully prepared via one-pot hydrothermal synthesis using polymethylacrylic acid sodium salt (PMAA-Na) as a template. The as-prepared PMAA-AgNCs ... mehr

Alle Fachpublikationen zu Analytik

A Breath of New Life into Human Social Cognition

Sniffing has historically been considered an olfactory behavior because inhalation is a necessary step in odor perception. Growing evidence, however, has demonstrated that the display of sniffing surpasses the bounds of those contexts that are olfactory in nature. In this issue of Chemical ... mehr

Associations Between BMI and Fat Taste Sensitivity in Humans

The objective of this study was to examine the reliability of associations between fat taste, hunger, dietary fat intake, and body mass index (BMI). Detection thresholds for oleic acid (OA) were obtained during each of 7 consecutive visits using a modified staircase procedure. Participants ... mehr

Differential Effects of Bitter Compounds on the Taste Transduction Channels TRPM5 and IP3 Receptor Type 3

Transient receptor potential cation channel subfamily M member 5 (TRPM5) is a Ca2+-activated nonselective cation channel involved in the transduction of sweet, bitter, and umami tastes. We previously showed that TRPM5 is a locus for the modulation of taste perception by temperature changes, ... mehr

Comparative Neuroanatomy of the Antennal Lobes of 2 Homopteran Species

We compared the morphology of the primary olfactory center, the antennal lobe (AL), in 2 homopteran insects, Hyalesthes obsoletus Signoret (Homoptera: Cixiidae) and Scaphoideus titanus Ball (Homoptera: Cicadomorpha). The comparison between the ALs of the 2 species is particularly interestin ... mehr

Endogenous Gustatory Responses and Gene Expression Profile of Stably Proliferating Human Taste Cells Isolated From Fungiform Papillae

Investigating molecular mechanisms underlying human taste sensation requires functionally dedicated and at the same time proliferating human taste cells. Here, we isolated viable human fungiform taste papillae cells from biopsy samples, adenovirally transduced proliferation promoting genes, ... mehr

Alle Fachpublikationen zu Chemie

Inside the USCAP Journals

Inside the USCAP Journals Laboratory Investigation 94, 360 (April 2014). doi:10.1038/labinvest.2014.49 mehr

Inside the USCAP Journals

Inside the USCAP Journals Laboratory Investigation 94, 250 (March 2014). doi:10.1038/labinvest.2014.9 mehr

Bone and Soft Tissue Pathology

Bone and Soft Tissue Pathology Laboratory Investigation 94, 11 (February 2014). doi:10.1038/labinvest.2014.15 mehr

Infectious Disease Pathology

Infectious Disease Pathology Laboratory Investigation 94, 390 (February 2014). doi:10.1038/labinvest.2014.27 mehr

Hematopathology

Hematopathology Laboratory Investigation 94, 332 (February 2014). doi:10.1038/labinvest.2014.26 mehr

Alle Fachpublikationen zu Labortechnik

Synthesis and characterization of isocyanate‐functionalized hyperbranched polyurethane and its cocuring with benzoxazine

In the study, isocyanate‐functionalized hyperbranched polyurethane (HPUNCO) with a degree of branch of 35.2% was synthesized via an A2 + B3 method. This novel HPUNCO was used to fabricate a blend system with hydroxyl groups bearing benzoxazine precursor (BZOH) to investigate its effectiv ... mehr

Preparation of polypropylene and polystyrene with NCO and NH2 functional groups and their applications in polypropylene/polystyrene blends

Isocyanate‐ and amine‐functionalized polypropylene (PP) and polystyrene (PS) were prepared through grafting and copolymerization method. These compounds are used as precursors for PP‐graft‐PS (PP‐g‐PS) copolymers and reacted at the matrix interface of PP/PS blends. Functionalized polymer st ... mehr

Comparison of combustion behaviors and pollutant emissions using bituminous coal and corncob in a fluidized bed combustor

ABSTRACT The combustion behaviors and pollutant emissions of corncob and bituminous coal in a pilot scale vortexing fluidized bed combustor was compared. The flue gas recirculation combustion mode was used in this study. The effects of operating parameters, such as stoichiometric oxygen ... mehr

Surface decoration of electrospun scaffolds by microcontact printing

ABSTRACT Microcontact printing has emerged as one of the most straightforward methods of surface patterning and has been successfully employed to obtain biologically instructive substrates for a wide range of tissue engineering applications. However, although a consolidated success has b ... mehr

Effects of acid treatments on bamboo cellulose nanocrystals

ABSTRACT The production of nanocellulose with controlled structure from plant sources with easy availability and good sustainability is very important in science and engineering. In this work, the isolation of cellulose from bamboo and the effects of the hydrolysis of different acids on ... mehr

Alle Fachpublikationen zu Verfahrenstechnik

Design of a downscaling method to estimate continuous data from discrete pollen monitoring in Tunisia.

The study of microorganisms and biological particulate matter transported passively though the air is very important for an understanding of the real quality of the air. Such monitoring is essential in several specific areas, such as public health, allergy studies, agronomy, indoor and outd ... mehr

Difference in production routes of water-soluble organic carbon in PM2.5 observed during non-biomass and biomass burning periods

4-hr integrated PM2.5 samples were collected at an urban site of Gwangju, Korea, for five days and analyzed for organic carbon and elemental carbon (OC and EC), total water-soluble OC (WSOC), hydrophilic and hydrophobic WSOC fractions (WSOCHPI and WSOCHPO), oxalate, and inorganic ionic spec ... mehr

Assessment of river water quality using an integrated physicochemical, biological and ecotoxicological approach

In order to maintain and improve the water quality in European rivers, the Water Framework Directive (WFD) requires an integrated approach for assessing water quality in a river basin. Although the WFD aims at a holistic understanding of ecosystem functioning, it does not explicitly establi ... mehr

Application of Diffusive Gel Type Probes for Assessing Redox Zonation and Mercury Methylation in Mekong Delta Sediment

The vertical profiles of PO43-, Mn, Fe, S2-, Hg, and CH3Hg+ in sediment pore water were investigated using DGT and DET probes in the Tien River, the northern branch of Vietnam’s Mekong Delta. Although some of the DGT measurements could be lower than the actual pore water concentrations due ... mehr

Assessment of fetal exposure and maternal elimination to perfluoroalkyl substances

In the study, we estimated the body burden (BB) of perfluoroalkyl substances (PFASs) in fetus at the time of delivery, and elimination of PFASs for female adults during pregnancy; and explored isomer branching pattern-related placental transfer of perfluorooctane sulfonate (PFOS). The mean ... mehr

Alle Fachpublikationen zu Umwelttechnik
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